the.com/uranium
the rock that ends arguments by turning entire cities into history lessons
named afterthe planet Uranus, discovered eight years earlier
glassmakingtinted antique glass that glows green under blacklight
half-lifeU-238 takes 4.5 billion years to halve
banana comparisonbananas are radioactive, just vastly less ambitious
natural reactorAfrica hosted a self-sustaining nuclear reactor 2 billion years ago